Zimbra Email Server Administrator

About PracticeSuite

PracticeSuite is a fast-growing healthcare technology company providing cloud-based medical practice management and electronic health record solutions. We support thousands of healthcare providers nationwide with secure, reliable, and scalable platforms.

We are seeking a skilled Zimbra Email Server Administrator with strong hands-on experience in Zimbra Server management to oversee and maintain our company's email infrastructure.

Position Summary

The Email Server Administrator will be responsible for managing, maintaining, and optimizing PracticeSuite's email environment, ensuring high availability, security, and performance. This role requires deep technical expertise in Zimbra Collaboration Suite (ZCS) administration, along with general knowledge of mail routing, security protocols, and integration with enterprise systems.

Key Responsibilities

• Administer, monitor, and maintain Zimbra email servers, including installation, configuration, patching, upgrades, and performance tuning.
• Manage user accounts, groups, aliases, and distribution lists.
• Implement and maintain email security policies, spam filtering, and data loss prevention measures.
• Troubleshoot and resolve email delivery issues, synchronization problems, and client connectivity errors (e.g., Outlook, mobile, webmail).
• Configure and maintain DNS, SMTP, IMAP, and POP3 services for optimal mail flow.
• Collaborate with IT security to manage SSL certificates, access controls, and backup / recovery strategies.
• Maintain server logs, monitor system performance, and ensure high uptime and reliability.
• Provide documentation, standard operating procedures, and training to support internal IT operations.
• Evaluate and implement improvements to optimize mail performance and user experience.
• Liaise with vendors and third-party providers for escalated support and service continuity.

Qualifications & Requirements

Preferred Skills

Experience integrating Zimbra with Active Directory / LDAP.

Knowledge of PowerShell scripting,

Skills Required

Red Hat, Pop3, Performance Tuning, Dns, spamassassin, Ubuntu, Smtp, Imap, email encryption, Centos, System Monitoring, clamav